Classify the input using one of these labels: neutral, positive, and negative. @united good morning, any first class upgrades available for ua1619 Feb 25  rsw to ewr? I need 4 seats please
system
Classify the input using one of these labels: neutral, positive, and negative. @united good morning, any first class upgrades available for ua1619 Feb 25  rsw to ewr? I need 4 seats please
user
neutral
assistant
system
Classify the input using one of these labels: neutral, positive, and negative. @united good morning, any first class upgrades available for ua1619 Feb 25  rsw to ewr? I need 4 seats please
user
negative
assistant